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authorJames Morris <james.l.morris@oracle.com>2012-06-10 22:52:10 +1000
committerJames Morris <james.l.morris@oracle.com>2012-06-10 22:52:10 +1000
commit66dd07b88a1c9d446f32253da606b87324fa620e (patch)
tree4e0971bdd543585c7ab46716ae808a7fd82f9c35 /arch/sparc/kernel/irq_32.c
parentf52c44cd27b4a0be37ef97f0466e4095ebebef3f (diff)
parentcfaf025112d3856637ff34a767ef785ef5cf2ca9 (diff)
Merge commit 'v3.5-rc2' into next
Diffstat (limited to 'arch/sparc/kernel/irq_32.c')
-rw-r--r--arch/sparc/kernel/irq_32.c41
1 files changed, 13 insertions, 28 deletions
diff --git a/arch/sparc/kernel/irq_32.c b/arch/sparc/kernel/irq_32.c
index b2668afd1c34..c145f6fd123b 100644
--- a/arch/sparc/kernel/irq_32.c
+++ b/arch/sparc/kernel/irq_32.c
@@ -23,16 +23,8 @@
#include "kernel.h"
#include "irq.h"
-#ifdef CONFIG_SMP
-#define SMP_NOP2 "nop; nop;\n\t"
-#define SMP_NOP3 "nop; nop; nop;\n\t"
-#else
-#define SMP_NOP2
-#define SMP_NOP3
-#endif /* SMP */
-
/* platform specific irq setup */
-struct sparc_irq_config sparc_irq_config;
+struct sparc_config sparc_config;
unsigned long arch_local_irq_save(void)
{
@@ -41,7 +33,6 @@ unsigned long arch_local_irq_save(void)
__asm__ __volatile__(
"rd %%psr, %0\n\t"
- SMP_NOP3 /* Sun4m + Cypress + SMP bug */
"or %0, %2, %1\n\t"
"wr %1, 0, %%psr\n\t"
"nop; nop; nop\n"
@@ -59,7 +50,6 @@ void arch_local_irq_enable(void)
__asm__ __volatile__(
"rd %%psr, %0\n\t"
- SMP_NOP3 /* Sun4m + Cypress + SMP bug */
"andn %0, %1, %0\n\t"
"wr %0, 0, %%psr\n\t"
"nop; nop; nop\n"
@@ -76,7 +66,6 @@ void arch_local_irq_restore(unsigned long old_psr)
__asm__ __volatile__(
"rd %%psr, %0\n\t"
"and %2, %1, %2\n\t"
- SMP_NOP2 /* Sun4m + Cypress + SMP bug */
"andn %0, %1, %0\n\t"
"wr %0, %2, %%psr\n\t"
"nop; nop; nop\n"
@@ -252,9 +241,6 @@ int sparc_floppy_request_irq(unsigned int irq, irq_handler_t irq_handler)
unsigned int cpu_irq;
int err;
-#if defined CONFIG_SMP && !defined CONFIG_SPARC_LEON
- struct tt_entry *trap_table;
-#endif
err = request_irq(irq, irq_handler, 0, "floppy", NULL);
if (err)
@@ -275,13 +261,18 @@ int sparc_floppy_request_irq(unsigned int irq, irq_handler_t irq_handler)
table[SP_TRAP_IRQ1+(cpu_irq-1)].inst_four = SPARC_NOP;
INSTANTIATE(sparc_ttable)
-#if defined CONFIG_SMP && !defined CONFIG_SPARC_LEON
- trap_table = &trapbase_cpu1;
- INSTANTIATE(trap_table)
- trap_table = &trapbase_cpu2;
- INSTANTIATE(trap_table)
- trap_table = &trapbase_cpu3;
- INSTANTIATE(trap_table)
+
+#if defined CONFIG_SMP
+ if (sparc_cpu_model != sparc_leon) {
+ struct tt_entry *trap_table;
+
+ trap_table = &trapbase_cpu1;
+ INSTANTIATE(trap_table)
+ trap_table = &trapbase_cpu2;
+ INSTANTIATE(trap_table)
+ trap_table = &trapbase_cpu3;
+ INSTANTIATE(trap_table)
+ }
#endif
#undef INSTANTIATE
/*
@@ -346,11 +337,6 @@ void sparc_floppy_irq(int irq, void *dev_id, struct pt_regs *regs)
void __init init_IRQ(void)
{
switch (sparc_cpu_model) {
- case sun4c:
- case sun4:
- sun4c_init_IRQ();
- break;
-
case sun4m:
pcic_probe();
if (pcic_present())
@@ -371,6 +357,5 @@ void __init init_IRQ(void)
prom_printf("Cannot initialize IRQs on this Sun machine...");
break;
}
- btfixup();
}